LandOfFree - US Patents - Listing for Internal-combustion engines,Four-cycle

Internal-combustion engines – Four-cycle – Crankcase compression of air or combustible mixture to be...

Crankcase inducted self-supercharging four cycle internal...

Internal-combustion engines – Four-cycle – Crankcase compression of air or combustible mixture to be...

Crankcase scavenged four-stroke engine

Internal-combustion engines – Four-cycle – Crankcase compression of air or combustible mixture to be...

Crankcase supercharged four cycle engine with jet pump assist

Internal-combustion engines – Four-cycle

Crankcase venting rotary valve carburetor

Internal-combustion engines – Four-cycle – Variable clearance

Crankshaft assembly for variable stroke engine for variable comp

Internal-combustion engines – Four-cycle – Single poppet valve

Cylinder head for a four stroke combustion engine

Internal-combustion engines – Four-cycle – Multiple exhaust

Cylinder head for a uniflow-scavenged two-stroke internal-combus

Internal-combustion engines – Four-cycle – Single poppet valve

Cylinder head for internal combustion engine and a process of op

Internal-combustion engines – Four-cycle – Single poppet valve

Cylinder head with colander valve

Internal-combustion engines – Four-cycle – Variable clearance

Cylinder of an internal combustion engine having variable volume

Internal-combustion engines – Four-cycle – Variable clearance

Deflecting rocker arm for an internal combustion engine

Internal-combustion engines – Four-cycle – Variable clearance

Delayed drop power stroke internal combustion engine

Internal-combustion engines – Four-cycle – Having subcharger associated with the cylinder

Device and method for introducing pressurized gas into a combust

Internal-combustion engines – Four-cycle – Variable clearance

Device for controlling the phase angle between a first and a...

Internal-combustion engines – Four-cycle – Variable clearance

Device for varying a piston engine effective volumetric...

Internal-combustion engines – Four-cycle – Having subcharger associated with the cylinder

Diesel engine with dual-lobed intake cam for compression...

Internal-combustion engines – Four-cycle – Single poppet valve

Distribution system for the intake and exhaust of a super charge

Internal-combustion engines – Four-cycle – Single poppet valve

Double-flow valve for internal combustion engines

Internal-combustion engines – Four-cycle – Variable clearance

Drive for positioning a setting device